News tagged with liquid hydrogen

Related topics: space , engine

J-2X engine continues to set standards

(Phys.org) -- Testing of the next-generation J-2X rocket engine continues to set standards. Last fall, the engine attained 100 percent power in just its fourth test and became the fastest U.S. rocket engine ...

Space & Earth / Space Exploration

created May 28, 2012 | popularity 4.5 / 5 (2) | comments 0

Image: The shake, rattle and roar of the J-2X engine

(Phys.org) -- The shake, rattle and roar lasted just seven seconds, but the short J-2X test conducted May 16 at NASA's John C. Stennis Space Center in south Mississippi moved the space agency ever closer to ...

Space & Earth / Space Exploration

created May 17, 2012 | popularity not rated yet | comments 0

Research estimates how long Titan's chemical factory has been in business

Saturn's giant moon Titan hides within a thick, smoggy atmosphere that's well-known to scientists as one of the most complex chemical environments in the solar system. It's a productive "factory" cranking ...

Space & Earth / Space Exploration

created Apr 24, 2012 | popularity 3.7 / 5 (3) | comments 5 | with audio podcast

Swatch mulling car that runs on hydrogen, oxygen

The world's biggest watch company Swatch is looking at building a car that runs on hydrogen and oxygen, its chief executive and chairman Nick Hayek said in an interview published Sunday.

Technology / Energy & Green Tech

created Mar 25, 2012 | popularity 5 / 5 (1) | comments 1

NASA's J-2X engine kicks off 2012 with powerpack testing

(PhysOrg.com) -- A new series of tests on the engine that will help carry humans to deep space will begin next week at NASA's Stennis Space Center in southern Mississippi. The tests on the J-2X engine bring ...

Space & Earth / Space Exploration

created Jan 26, 2012 | popularity 5 / 5 (3) | comments 0

NASA ready to test upgraded J-2X powerpack

(PhysOrg.com) -- For engineers working on the J-2X engine program, installation of the upgraded J-2X powerpack on the A-1 Test Stand on Dec. 5 had to feel like a long-awaited holiday gift.

Space & Earth / Space Exploration

created Dec 07, 2011 | popularity 5 / 5 (3) | comments 0

New NASA missions to investigate how Mars turned hostile

(PhysOrg.com) -- Maybe because it appears as a speck of blood in the sky, the planet Mars was named after the Roman god of war. From the point of view of life as we know it, that's appropriate. The Martian ...

Space & Earth / Space Exploration

created Nov 18, 2011 | popularity 5 / 5 (7) | comments 3 | with audio podcast

NASA's new upper stage engine passes major test

(PhysOrg.com) -- NASA conducted a successful 500-second test firing of the J-2X rocket engine on Wednesday, Nov. 9, marking another important step in development of an upper stage for the heavy-lift Space Launch System (SLS). ...

Space & Earth / Space Exploration

created Nov 09, 2011 | popularity 5 / 5 (2) | comments 3

First comet found with ocean-like water: New clues to creation of Earth's oceans

(PhysOrg.com) -- New evidence supports the theory that comets delivered a significant portion of Earth's oceans, which scientists believe formed about 8 million years after the planet itself.

Space & Earth / Space Exploration

created Oct 05, 2011 | popularity 4.8 / 5 (18) | comments 120 | with audio podcast

Study sheds light on the mysterious structure of water-air interface

Findings by Japanese researchers at the RIKEN Advanced Science Institute and their colleagues at Tohoku University and in the Netherlands have resolved a long-standing debate over the structure of water molecules ...

Chemistry / Materials Science

created Oct 03, 2011 | popularity 5 / 5 (1) | comments 1

NASA tests deep space J-2X rocket engine

(PhysOrg.com) -- NASA conducted a 40-second test of the J-2X rocket engine Sept. 28, the most recent in a series of tests of the next-generation engine selected as part of the Space Launch System architecture ...

Space & Earth / Space Exploration

created Sep 29, 2011 | popularity 5 / 5 (2) | comments 0

Sulfurous signs of life

Any sulfurous molecules that astronomers spot on alien worlds might be a way to reveal whether or not those distant planets host life, researchers suggest.

Space & Earth / Astronomy

created Jun 30, 2011 | popularity 3.7 / 5 (9) | comments 17 | with audio podcast

Upper stage engine ready for testing at NASA's Stennis Space Center

NASA's new J-2X rocket engine, which could power the upper stage of the nation's future heavy-lift launch vehicle, is ready for its first round of testing. The fully assembled engine was installed Saturday in the A-2 Test ...

Space & Earth / Space Exploration

created Jun 14, 2011 | popularity 4 / 5 (1) | comments 0

Under pressure, sodium and hydrogen could undergo a metamorphosis, emerging as a superconductor

(PhysOrg.com) -- In the search for superconductors, finding ways to compress hydrogen into a metal has been a point of focus ever since scientists predicted many years ago that electricity would flow, uninhibited, through ...

Physics / Superconductivity

created Jun 13, 2011 | popularity 4.6 / 5 (11) | comments 9 | with audio podcast

How wet is water's surface? Some water molecules split the difference between gas and liquid

(PhysOrg.com) -- Air and water meet over most of the earth's surface, but exactly where one ends and the other begins turns out to be a surprisingly subtle question.

Chemistry / Materials Science

created Jun 08, 2011 | popularity 5 / 5 (3) | comments 2 | with audio podcast